Journal
ELECTROCHIMICA ACTA
Volume 125, Issue -, Pages 421-426Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.01.125
Keywords
Iron oxide; Graphite; Ball milling; Anode; Lithium ion battery
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Funding
- National Natural Science Foundation of China [51201065, 51231003]
- Natural Science Foundation of Guangdong Province [S2012040008050]
- KLGHEI [KLB11003]
- Fundamental Research Funds for the Central Universities [2013ZM0002, 2014ZM0002]
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Fe2O3-graphite (Fe2O3-G) composites have been facilely and effectively synthesized via ball milling. Structural features and electrochemical properties of the Fe2O3-G composites as anodes for lithiumion batteries are investigated. The Fe2O3-G composites benefit from the close contact of nanocrystalline Fe2O3 with the graphite matrix, which improves the electronic conductivity and restrains the volume variation during cycling. The composite with 20% graphite shows the highest reversible capacity up to 491.1 mAh g(-1) after 55 cycles with good rate capability. Due to the superior electrochemical performance, the Fe2O3-G composites prepared via ball milling could be promising as anode materials with high capacity, low-cost for lithium-ion batteries. (C) 2014 Elsevier Ltd. All rights reserved.
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